This is survery of birds in Yellow River forestry centre

Beiyuan and Qianfo Hill

in May

1994. A total of 1860 birds were founded

they belong to 40 species

20 families

8 orders. The result indicated that the birds compositions were correspond with the climate From the diversity of three communities

Yellow river forestry centre>Beiyuan>Qianfo hill. From the stability of three communities

Yellow river forestry centre<Beiyuan<Qianfo hill. From the similarity of three communities

the similarity of Qianfo hill and Yellow river forestry centre was greastes.Birds are important component of the nature

they have important function in preserving ecological balance. Therefore

we must protect birds.